We are approaching the last 4 courses (see my album) and I have been reading about insulfrax and other blankets. Here is what we are planning on doing. We are going to slather on 1" of heat stop re.martar over the existing skim coat. We will have better than 6" of space between the walls and the dome and more on top. We are going to forgo the blanket and poor in vermiculite to about 2 inches from the top. We are then going to mix up a slightly moist port/verm batch and layer that on top. The thinking process is that it will stiffen up slightly and stiffen up the loose vermiculite below and once it is dry we will put the roof on. We are going to try and cure the oven prior to putting the roof on if we can ever get a long enough stretch of good weather. We will be tenting the dome everytime there is rain in the forcast. I don't think the oven will be any less efficient but I would like some feed back and what you think about the insulation idea?
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